Perhaps you should try some spelling variations:
figure integrationstheorie » eine integrationstheorie, der integrationstheorie, revidierte integrationstheorie
integrationstheorie 2 » integrationstheorie fur, integration theories, interpretationstheorie 2
immigration policies » immigration policy, migration policy
power immigration » postwar immigration, toward immigration, does immigration
supply power » supply poverty, supplier power, supplies power

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply figure integrationstheorie 2. ) or ( supply power immigration policies. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply figure integrationstheorie 2. ) OR ( supply power immigration policies. )).
• Adding a wildcard symbol may retrieve word variants: (( supply figure integrationstheorie 2. ) or ( supply power immigration policies. ))*.